期刊
APPLIED PHYSICS LETTERS
卷 120, 期 7, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0075852
关键词
-
资金
- Office of Naval Research [N00014-18-1-2027]
In this study, the DC Kerr effect in plasma-enhanced chemical vapor deposition silicon rich amorphous silicon carbide (a-SiC) is demonstrated. The extracted third order nonlinear susceptibility chi((3)) is found to be more than six times higher than previously reported values in stoichiometric a-SiC, making silicon rich a-SiC a promising candidate for nonlinear photonic applications.
In this study, we demonstrate the DC Kerr effect in plasma-enhanced chemical vapor deposition silicon rich amorphous silicon carbide (a-SiC). Using the resonance shift of the transmission spectra of a ring resonator, we experimentally extract the third order nonlinear susceptibility chi((3))& nbsp;to be 6.90 x 10(-19) m(2) / V-2, which is estimated to be more than six times higher than previous reported values in stoichiometric a-SiC. The corresponding induced second order nonlinear susceptibility chi((2)) of 44.9 pm/V is also three times higher than the reported value in silicon and silicon rich nitride utilizing the DC Kerr effect. The high nonlinearity makes silicon rich a-SiC a good materials candidate for nonlinear photonic applications.
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